Harpur, John. The iewell of arithmetick, or, The explanation of a new inuented arithmeticall table, whose portraiture is here demonstrated (London: Imprinted by Felix Kyngston: and are to be sold by Iohn Browne at his shop, vnder Saint Dunstons Church in Fleetestreete, 1617)
ESTC S103870.
Columbia University, Rare Book and Manuscript Library PLIMPTON 511 1617 H23. Located by Jenny Lee and Sarah Lindenbaum.
Frances Wolfreston Hor Bouks 